1542234322451 has 4 divisors (see below), whose sum is σ = 1542238542504. Its totient is φ = 1542230102400.

The previous prime is 1542234322429. The next prime is 1542234322477.

1542234322451 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1542234322451 - 2¹⁸ = 1542234060307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1542234322351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1503785 + ... + 2312106.

It is an arithmetic number, because the mean of its divisors is an integer number (385559635626).

Almost surely, 2^{1542234322451} is an apocalyptic number.

1542234322451 is a deficient number, since it is larger than the sum of its proper divisors (4220053).

1542234322451 is an equidigital number, since it uses as much as digits as its factorization.

1542234322451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220052.

The product of its digits is 230400, while the sum is 38.

The spelling of 1542234322451 in words is "one trillion, five hundred forty-two billion, two hundred thirty-four million, three hundred twenty-two thousand, four hundred fifty-one".